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Like any resampling operation, changing image size and bit depth are lossy in all cases of downsampling, such as 30-bit to 24-bit or 24-bit to 8-bit palette-based images.. While increasing bit depth is usually lossless, increasing image size can introduce aliasing or other undesired artifa
Photo Editor: Enhance and balance color, resize, add effects, Overlays and clip-arts. Photo Batch-Editor: Process multiple photos at once, rename multiple photos at once. Collage Creator: joins multiple photos into poster-like single page or into one final photo. GIF Animation: Make multiple images into GIF-animated image.
One of the simpler ways of increasing the size, replacing every pixel with a number of pixels of the same color. The resulting image is larger than the original, and preserves all the original detail, but has (possibly undesirable) jaggedness.
Scripts can be created to convert, manipulate and rename a batch of images in one go. Creation of advanced slide shows is also possible. Lossless (without new encoding) turning, flipping and cropping of JPEG files is supported. Typical image editing tools are included, for instance color and size manipulation, several filters and effects.
Image scaling can be interpreted as a form of image resampling or image reconstruction from the view of the Nyquist sampling theorem.According to the theorem, downsampling to a smaller image from a higher-resolution original can only be carried out after applying a suitable 2D anti-aliasing filter to prevent aliasing artifacts.
JPEG (/ ˈ dʒ eɪ p ɛ ɡ / JAY-peg, short for Joint Photographic Experts Group) [2] is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography. The degree of compression can be adjusted, allowing a selectable trade off between storage size and image quality.